Machine for straightening disk wheels



Nov. 1, 1927. 1,647,211

J. BUSHEK MACHINE FOR STRAIGHTENING DISK WHEELS Filed Sept. 1924 2 Sheets-Sheet 1 film BY A TTORNE) Nov. 1,1927. 1,647,211

J. BUSHEK MACHINE FOR STRAIGHTENING DISK WHEELS Filed Sept. 4, 1924 2 Sheets-Sheet 2 I NVEN TOR.

6 ATTORNEY.

the'base to present the clamped wheels' in; 'a plane substantially at right angles to the plunger-of the arbor press, and withfltlieirjf; rim portions raised a considerable distance}- above the base'and its extension. but'below' and substantially in line with the plan or. or rain of the press. Localized bending...v pressures-are exerted by the ram on the. dis-3 -securing means (not shown).

Patented Nov. 1, 1927.

UNITED STATES PATENT OFFICE.

- JOHN BUSHEK, OI ELMHURST, NEW YORK.

MACHINE FOR BTRAIGHTEN ING DISK WHEELS.

Application filed September 4, 1924. Serial No. 735,780.

unbolted therefrom without removing the.

wheel hub from the axle of the vehicle.

Such wheels are in very extended use today.

The disks are made of comparatively thin steel plate and are most frequently tapered in thickness from the central portion routwardly to the rim. Sometimes, in the process of manufacture, and often in thec'ase of. accidents to vehicles on which these wheels are used, these disks are bent and distorted more or less severely. The machine of my;

iof the clamping means showing a wheel invention is used in restoringth gt straightened condition. y 1

My invention is an improvement injjsuch machines.- Such machines comprise anar bor ress, a frontal extension from the base of t 'is press, and a clamp secured to the; outer end of this extension shaped to clamp" demounted wheels in their central portions and to accommodate the inner flange of the wheel, and positioned on the extension of torted free portions of the wheel on substantially parallel to the wheel axis,

My invention concerns the clamping means and its object is to provideanf-im-Y proved means for accommodating the cone tral disk flange which is present on most, if 5 not all, disk wheels, to provide for clamping the wheels both outside up and outside down,

in which :cases the central flanges axially oppositely, and to provide or the clamping of wheels having variously dimensioned central portions. The first of these objects, I accomplish by embodying a channel-shaped recess in the face of the clamping means to accommodate the inner flange,

"interchangeable clamping device in user Y s "Referring first to Fig. 1, the base of e arbor press is designated 10. This base is 5 provided with the frontal extension 11. On

theouter end of this extension is a support reject" the second of them I accomplish by removably and reversibly arranging the clamping members so that the recess may be presented either from beneath or above the clamped wheel according to whether the wheel is to be clamped outside up or outside down, and

the third of these objects I realize by rovidlng a plurality of the clamping mem rs interchangeably related andv dimensioned ac- COIdIII to the varying dimensions of the\ central In the accompanying drawings, 1 show portions of the wheels.

one embodiment of my invention.

Of the drawings: Figure 1 is a side elevation of the press show ng a wheel clamped in position outside up. I Fig. 2 is a similar elevation, in the main,

.clamped in position outside down.

-F1g. 3 1s a view like Fig. 2 showing anfl 12- for the wheel to be operated upon. On the upper end of this support are mounted two clamping (plates or disks, 15, 15. The ac support 12 an the clamping plates 15, 15

Kare secured together and to the extension 11 by a central through-bolt 14, provided with anut 16 on its upper end. The through-bolts 'may be prevented from dropping out when the nut is removed by any suitable means as, by frictional engagement or any positive The arbor press comprises a heavy, overhanging arm 17 connected with the base 10 and supporting at its outer end a plunger .17, mounted for extended reciprocatory movement toward and from the base 10 and hand operation, are provided for operating the-ram .orplun er 1 Awheel, the isk of which is designated 21, is shownclamped in position u on the 10 support 12 between the clamping p ates 15, 6-. i: :It is' clamped. by its central portion, 1. e.,

that area which, when thewheel is mountens and strengthens t e central portion of the wheel and has come to be a general char,- acteristic of disk wheels. This flange I accommodate in a channel-shaped, annular recess R in one of the clamping members 15, 15. This enables the engaging faces of the clamping members to eflect clamping .contact with-the entire area of the central portion of the disk and to hold the same ri idly. In the instance shown, the wheel 21 is s own outside up, the lower clamping member being provided with the recess R. I form these clamping members as disks of substantially the same diameter, equal to the diameter of the central portion, and provide them with central apertures of a dimension to fit and be centered by the through-bolt 14,

whereby the members 15, 15' may be reversed at will and the wheel reversibly clamped in position outside down as shown in Fig. 2. The clamping members 15, 15 are simply removed, reversed in position and replaced to effect this change, Still further, I provide a plurality of clamping members 15, 15', of various dimensions to correspond to the various dimensions of the central portions of different wheels, and form all of the central apertures A through which they are fitted upon the through-bolt 14 of substan tially the same dimension, whereby the clamping members are rendered interchangeable. This is illustrated in Fig. 3 in WlllCh the clamping members 15, 15 of greater external diameter and greater diameter of recess It are shown in use clamping a Wheel of larger size in lieu of the clamping members 15, 15 shown in Figs. 1 and 2.

Customarily, the base 10 of the arbor press is horizontal and the overhanging arm 17' and the ram 17 vertical. The clamping devices 15, 15 are also horizontal and therefore present the wheel to the press in a substantially horizontal plane. Moreover, the clamping members are so positioned on the outer end of the extension 11 as to present the rim 24 of the wheel substantially in line with the ram 17, and the height of the support 12 is such that rim 24 clears the base and its extension 11 by a considerable distance both when the wheel is presented outside up and outside down, as indicated in Fig. 2.

In operation, the wheel is clamped to bring the distorted portion to be operated tive of the nature and the degree of the dis- 7 tortion, this method is so effective as practised by this apparatus as to enable one to straighten the most severely distorted wheel in a. very brief time.

The features of my invention make it possible not only more efi'ectually and more rigidly to hold the central portions while they are being operated upon, but also the more quickly and effectually to reverse the Wheels for curin distortions in opposite directions, and, st1 1 further, to operate upon wheels of any make and size in one and the same machine.

Obviously, my invent-"on is capable of numerous modifications without departing in any wise from its generic spirit, and is applicable in any of its embodiments to disk wheel straightening machines of any make or type. I desire to cover in the annexed claims any and all such embodiments and applications.

What I claim is:

wheel having an inner flange, the combination with means shaped to clamp opposite faces of a disk vehicle Wheel at the central portion thereof, and recessed to receive the inner disk flange, of an overhanging arm carrying a press reciprocable transversely of the wheel plane for truing said wheel.

2. In a straightening device for a disk wheel having an inner flange, the combinationof means recessed to receive the flange and arranged and shaped to clamp opposite faces of a disk vehicle wheel at' the central portion thereof both when the wheel is presented outside up and when the wheel is presented outside down, of an overhanging arm carrying a press reciprocable transversely of the wheel plane for truing said wheel.

3. In a straightening device for a disk wheel having an inner flarfge, the combination of means recessed to-receive the flange, shaped to clamp opposite faces of the'wheel at the central portlon thereof, and reversible to clamp the wheel both when presented outside up and when presented outside down, of an. overhanging arm carrying a press reciprocable transversely of the wheel plane for truing said wheel.

4. In a straightenin device for disk wheels of differently imensioned central portions, the combination of interchangeable clamping means for said central portions shaped each to clamp the opposite faces of a central portion of a diiferent wheel, of an overhanging arm carrying a press reciprocable transversely of the wheel plane for truing said wheel.

5. In a straightening device for disk wheels of (liflerent dimensions having differently dimensioned central portions with inner flanges, the combination of interchangeable clamping means shaped to clamp the opposite faces of the central portions of different wheels, and recessed variously to re ceive the various inner disk flanges, of an 10 overhanging arm carrying a press reciprocable transversel of the wheel plane for truing said whee s.

In testimony whereof, I afiix my signature.

JOHN BUSHEK. 

